Installation guide
155
Security Engine Ports
Firewall, Layer 2 
Firewall, IPS, 
Master Engine
4987/TCP
Management 
Server
Management Server commands 
and policy upload.
SG Commands
Firewall, Layer 2 
Firewall, IPS
8888/TCP
Management 
Server
Connection monitoring for engine 
versions 5.1 and lower. 
SG Legacy 
Monitoring
Firewall, Layer 2 
Firewall, IPS, 
Master Engine
15000/TCP
Management 
Server, Log 
Server
Blacklist entries. SG Blacklisting
Firewall, Layer 2 
Firewall, IPS, 
Master Engine
161/UDP SNMP server SNMP monitoring. SNMP (UDP)
IPS Cluster 
Node
3000-3001/
UDP
3002-3003, 
3010/TCP
IPS Cluster 
Node
Heartbeat and state 
synchronization between clustered 
IPS engines.
SG State Sync 
(Multicast), SG 
State Sync 
(Unicast), SG Data 
Sync
LDAP server 389/TCP
Firewall, 
Master Engine
External LDAP queries, including 
StartTLS connections.
LDAP (TCP)
Layer 2 Firewall 
Cluster Node
3000-3001/
UDP
3002-3003, 
3010/TCP
Layer 2 
Firewall 
Cluster Node
Heartbeat and state 
synchronization between clustered 
Layer 2 Firewalls.
SG State Sync 
(Multicast), SG 
State Sync 
(Unicast), SG Data 
Sync
Log Server 3020/TCP
Firewall, Layer 
2 Firewall, IPS, 
Master Engine
Log and alert messages; 
monitoring of blacklists, 
connections, status, and statistics.
SG Log
Management 
Server
3021/TCP
Firewall, Layer 
2 Firewall, IPS, 
Master Engine
System communications certificate 
request/renewal (initial contact).
SG Initial Contact
Management 
Server
3023/TCP
Firewall, Layer 
2 Firewall, IPS, 
Master Engine
Monitoring (status) connection.
SG Status 
Monitoring
Management 
Server
8906/TCP
Firewall, Layer 
2 Firewall, IPS
Management connection for single 
engines with “Node-Initiated 
Contact to Management Server” 
selected.
SG Dynamic 
Control
RADIUS server
1812, 1645/
UDP
Firewall, 
Master Engine
RADIUS
 authentication reques
ts.
RADIUS 
(Authentication), 
RADIUS (Old)
Table B.2 Security Engine and Master Engine Default Ports (Continued)
Listening 
Host
Port/Protocol
Contacting 
Hosts
Service Description
Service Element 
Name










